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US20140187760 Lignin Precipitation Methods  
A method of separating lignin from black liquor from a pulp mill by adjusting the pH of the black liquor is provided. Various additional steps can be used to further process the separated lignin,...
US20110313141 Processing of Biomass  
There is described a method of processing biomass which comprises the digestion of biomass material in an aqueous solvent system subjected to ultrasonic waves and separating the biomass into its...
US20140235838 SELECTIVE AEROBIC ALCOHOL OXIDATION METHOD FOR CONVERSION OF LIGNIN INTO SIMPLE AROMATIC COMPOUNDS  
Described is a method to oxidize lignin or lignin sub-units. The method includes oxidation of secondary benzylic alcohol in the lignin or lignin sub-unit to a corresponding ketone in the presence...
US20140066608 LIGNIN EXTRACTION FROM LIGNOCELLULOSICS  
The present invention is directed to a method to extract lignin from lignocellulosic biomass using lactic acid.
US20130217868 PREPARATION OF LIGNIN  
A method for the preparation of lignin from lignocellulosic material by pulping with alcohol, in particular with a C1-4 alcohol, water and a base, in particular NaOH, at a temperature below 100°...
US20150051386 METHOD FOR THE MODIFICATION OF WOOD  
The invention is directed to a process for the continuous acetylation of wood elements. The process particularly combines a batchwise impregnation step, with a continuous reaction step. In order...
US20150183813 METHOD FOR FRACTIONATING LIGNIN  
The present invention relates to a method for fractionating lignin, wherein the method comprises the following steps: (i) dissolving lignin into a mixture containing organic solvent and water; and...
US20130005952 RECOVERY OF LIGNIN AND WATER SOLUBLE SUGARS FROM PLANT MATERIALS  
In one aspect, a process for treating woody plant material is provided, the process involving contacting the plant material with a continuous flow of an aqueous ethanol solution at elevated...
US20140046041 COMPOSITIONS COMPRISING LIGNOCELLULOSIC BIOMASS AND ORGANIC SOLVENT  
The present disclosure relates, at least in part, to compositions comprising lignocellulosic biomass and an organic solvent wherein the lignocellulosic biomass comprises 35% or greater of lignin...
US20140249300 Metal Catalyzed Oxidation of Lignin and Related Compounds  
Disclosed are methods for the benzylic oxidation of the lignin and related compounds. The methods include contacting lignin with a mixture containing manganese and iron, in the presence of oxygen...
US20130303738 CHEMICAL MODIFICATION OF LIGNIN AND LIGNIN DERIVATIVES  
A method for producing an APL is provided in one example embodiment and includes mixing a solvent, a catalyst, a reagent, and a HPL to create a solution, raising the temperature of the solution to...
US20140106426 SEPARATION OF LIGNIN FROM HYDROLYZATE  
A method for the production water insoluble reactive lignin having low sulfur content and lignosulfonates from lignocellulosic material in a batch or continuous process. Lignocellulosic material...
US20110028426 DEWATERING BIOMASS MATERIAL COMPRISING POLYSACCHARIDE, METHOD FOR EXTRACTING POLYSACCHARIDE FROM BIOMASS MATERIAL, AND DEWATERED BIOMASS MATERIAL  
A process for dewatering biomass material comprising polysaccharide and water. The process comprises wetting the biomass material with a wetting composition comprising an alcohol to form a biomass...
US20140163210 PROCESSES AND APPARATUS FOR LIGNIN SEPARATION IN BIOREFINERIES  
The present invention generally provides methods of improving lignin separation during biomass fractionation with an acid to release sugars and a solvent for lignin (such as ethanol). In some...
US20150141628 METHODS FOR TREATING LIGNOCELLULOSIC MATERIALS  
The present invention relates to methods of processing lignocellulosic material to obtain hemicellulose sugars, cellulose sugars, lignin, cellulose and other high-value products. Also provided are...
US20150087031 METHODS FOR TREATING LIGNOCELLULOSIC MATERIALS  
The present invention relates to methods of processing lignocellulosic material to obtain hemicellulose sugars, cellulose sugars, lignin, cellulose and other high-value products. Also provided are...
US20150119560 METHOD FOR PRODUCTION OF LIGNIN  
A method for the preparation of lignin, characterized in that an acid is added to an alkaline alcoholic solution of lignin and the precipitated lignin is separated, and, optionally, from the...
US20130217869 METHOD FOR PRODUCTION OF LIGNIN  
A method for the preparation of lignin, characterized in that an acid is added to an alkaline alcoholic solution of lignin and the precipitated lignin is separated, and, optionally, from the...
US20150247009 METHOD FOR ISOLATING LIGNIN FROM A BIOMASS AND PRODUCTS PROVIDED THEREFROM  
The process includes pretreating the biomass to provide a fluidized biomass. The fluidized biomass is then subjected to high frequency pulses and shear forces without denaturing/degrading the...
US20140357847 METHOD FOR LIGNIN SEPARATION FROM BLACK LIQUOR HAVING REMOVAL OF SULPHUR COMPOUNDS FROM FORMED WATER EFFLUENT  
The method is for separation of lignin from original black liquor (BLIN) having a first precipitation phase (PR1/PR2) for precipitation of lignin by a first acidification using acidifier, CO2, at...
US20130012610 LIGNIN AND OTHER PRODUCTS ISOLATED FROM PLANT MATERIAL, METHODS FOR ISOLATION AND USE, AND COMPOSITIONS CONTAINING LIGNIN AND OTHER PLANT-DERIVED PRODUCTS  
Lignin polymers having distinctive properties, including a generally high molecular weight and generally homogeneous size distribution, as well as preservation of native reactive side groups, are...
US20150232497 METHOD FOR ESTERIFYING LIGNIN WITH AT LEAST ONE FATTY ACID  
The present invention relates to a method for producing lignin esterified with at least one fatty acid, wherein the method includes the following steps: (i) reacting acetylated lignin with at...
US20150259368 SELECTIVE C-O BOND CLEAVAGE OF OXIDIZED LIGNIN AND LIGNIN-TYPE MATERIALS INTO SIMPLE AROMATIC COMPOUNDS  
A method to cleave C—C and C—O bonds in β-O-4 linkages in lignin or lignin sub-units is described. The method includes oxidizing at least a portion of secondary benzylic alcohol groups in β-O-4...
US20150094459 Pretreatment of Lignocellulosic Biomass and Recovery of Substituents using Natural Deep Eutectic Solvents/Compound Mixtures with Low Transition Temperatures  
Low transition temperature mixtures (LTTMs) or solvents are provided that can be used in methods and systems to dissolve and bydrolyze certain components from lignin-containing biomass (e.g.,...
US20150051385 Liquid / Liquid Separation of Lignocellulosic Biomass to Produce Sugar Syrups and Lignin Fractions  
A process for production of C5 and C6 sugar enriched syrups from lignocellulosic biomass and fermentation products therefrom is described. A lignocellulosic biomass is treated with acetic acid...
US20110054154 LIGNOTHERMOPLASTIC  
A thermoplastic material made from lignin, polyol and a melting point reducer where the melting point reducer is miscible in the specific polyol employed and where the lignin, polyol and melting...
US20130232853 METHOD FOR SELECTIVE PRODUCTION OF BIOBASED CHEMICALS AND BIOFUELS FROM PLANT LIGNIN  
The present invention is directed generally to a method of production of biobased chemicals, biofuels, and lignin residues from lignin sources, including waste lignin. This method may allow for...
US20120022240 LIGNIN PREPARATIONS ISOLATED FROM PLANT MATERIAL, AND METHODS FOR THEIR ISOLATION AND USE  
Lignin polymers having distinctive properties, including a generally high molecular weight and generally homogeneous size distribution, as well as preservation of native reactive side groups, are...
US20110160442 METHOD FOR THE FRACTIONATION OF KNOTWOOD EXTRACT AND USE OF A LIQUID-LIQUID EXTRACTION FOR PURIFICATION OF KNOTWOOD EXTRACT  
The invention relates to a method for the fractionation of knotwood extract, which has been obtained by extraction of knotwood with a hydrophilic solvent. The hydrophilic extract is extracted with...
US20130331555 SEPARATION OF LIGNIN FROM PLANT MATERIAL  
Technology for separating lignin from alkaline solutions which arise in production of cellulose is presented. Isolated lignin can be applied, for instance, for production of carbon fibre,...
US20150034109 Process for Producing Lignin from Tobacco  
A process for producing lignin from one or more plants of genus Nicotiana is provided. The lignin can be derived inter alia from Nicotiana species biomass. A process such as is described in...
US20100136642 RECOVERY OF LIGNIN AND WATER SOLUBLE SUGARS FROM PLANT MATERIALS  
In one aspect, a process for treating woody plant material is provided, the process involving contacting the plant material with a continuous flow of an aqueous ethanol solution at elevated...
US20110129886 Biorefinery Process for Extraction, Separation, and Recovery of Fermentable Saccharides, other Useful Compounds, and Yield of Improved Lignocellulosic Material from Plant Biomass  
Non-food plant biomass is subjected to hot-water extraction in a pressurized vessel at an elevated temperature up to about 250° C. and at a pH below about 7.0, to yield an aqueous extract...
US20140271443 High Glass Transition Lignins and Lignin Derivatives for the Manufacture of Carbon and Graphite Fibers  
High glass transition temperature lignin derivatives and methods of making the same are disclosed herein. In addition, methods for making carbon nanofibers from the lignin derivatives is also...
US20100249390 PRODUCTION METHODS FOR SOLUBILIZED LIGNIN, SACCHARIDE RAW MATERIAL AND MONOSACCHARIDE RAW MATERIAL, AND SOLUBILIZED LIGNIN  
A new lignin degradation product, a method for producing the same, and methods for producing a saccharide raw material and a monosaccharide raw material are provided. The method for producing the...
US20100305243 DERIVATIVES OF NATIVE LIGNIN FROM SOFTWOOD FEEDSTOCKS  
The present invention provides softwood derivatives of native lignin having a certain aliphatic hydroxyl content. Surprisingly, it has been found that consistent and predictable antioxidant...
US20100305242 DERIVATIVES OF NATIVE LIGNIN FROM HARDWOOD FEEDSTOCKS  
The present invention provides hardwood derivatives of native lignin having a certain aliphatic hydroxyl content. Surprisingly, it has been found that consistent and predictable antioxidant...
US20140206799 DERIVATIVES OF NATIVE LIGNIN FROM SOFTWOOD FEEDSTOCKS  
The present invention relates to softwood lignin derivatives having an aliphatic hydroxyl content of from about 2.5 mmol/g to about 7 mmol/g lignin, and the preparation method thereof. The lignin...
US20130252293 PROCESS FOR PRODUCING BIO-BASED PRODUCT FROM STRAW HEMICELLULOSE AND FULLY UTILIZING THE COMPONENTS THEREOF  
Provided is a process for producing biomass-based product from straw hemicellulose and utilizing the components thereof thoroughly. Steam-explosion and acid-hydrolysis are combined in the...
US20130253075 DERIVATIVES OF NATIVE LIGNIN  
The present invention provides derivatives of native lignin having a certain aliphatic hydroxyl content. Surprisingly, it has been found that consistent and predictable antioxidant activity may be...
US20110003352 PROCESS FOR THE STEPWISE TREATMENT OF LIGNOCELLULOSIC MATERIAL TO PRODUCE REACTIVE CHEMICAL FEEDSTOCKS  
A method for the fractionation of lignocellulosic materials into reactive chemical feedstock in a batch or semi continuous process by the stepwise treatment with aqueous aliphatic alcohols in the...
US20120184721 METHOD FOR SEPARATING CARBOHYDRATE FROM LIGNOCELLULOSIC SOLID  
The present invention provides an apparatus for separating components of a solid feedstock, in particular lignocellulosic solid biomass feedstock, and a method for using the same. The apparatus...
US20090069550 LIGNIN AND OTHER PRODUCTS ISOLATED FROM PLANT MATERIAL, METHODS FOR ISOLATION AND USE, AND COMPOSITIONS CONTAINING LIGNIN AND OTHER PLANT-DERIVED PRODUCTS  
Lignin polymers having distinctive properties, including a generally high molecular weight and generally homogeneous size distribution, as well as preservation of native reactive side groups, are...
US20130255216 HIGH VALUE LIGNIN DERIVATIVES, POLYMERS, AND COPOLYMERS AND USE THEREOF IN THERMOPLASTIC, THERMOSET, COMPOSITE, AND CARBON FIBER APPLICATIONS  
The present disclosure relates to reactive modified lignin, methods of preparing such modified lignin, and materials, such as polymer systems, incorporating the modified lignin. More specifically,...
US20150045544 BIOMASS FRACTIONATION AND EXTRACTION METHODS AND APPARATUS  
A biomass fractionation apparatus includes a vessel having a processing chamber, an inlet configured to receive a biomass into the processing chamber, and an outlet configured to discharge...
US20100305244 DERIVATIVES OF NATIVE LIGNIN FROM ANNUAL FIBRE FEEDSTOCKS  
The present invention provides derivatives of native lignin having a certain aliphatic hydroxyl content. Surprisingly, it has been found that consistent and predictable antioxidant activity may be...
US20080021155 Methods for Producing Modified Aromatic Renewable Materials and Compositions Thereof  
Methods for producing modified renewable aromatic materials with lower softening temperatures and/or enhanced reactivity and compositions containing these modified aromatic products are provided.
US20170101430 METHOD FOR PRODUCING SOLID LIGNIN  
Lignin-rich starting material is suspended in a first medium, which is acidic and aqueous, to form a aqueous acidic suspension, which is heated and allowed to form two continuous phases, a...
US20170073365 PREPARATION OF LIGNIN  
A method for the preparation of lignin from lignocellulosic material by pulping with alcohol, in particular with a C1-4 alcohol, water and a base, in particular NaOH, at a temperature below 100°...
US20170044328 UPGRADING LIGNIN FROM LIGNIN-CONTAINING RESIDUES THROUGH REACTIVE EXTRACTION  
Disclosed are methods of functionalizing lignin using reactive extraction. The invention also generally relates to functionalized lignin. An exemplary method for producing functionalized lignin is...

Matches 1 - 50 out of 68 1 2 >